Waipahu Zoning & Land Use Guide
Last updated: Verified:
Key Zoning Facts
Regulatory Layers That Apply in Waipahu
Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.
Federal
- FEMA Flood Zones: Applicable
- View FEMA Flood Map
County — Honolulu County
- Role: Property records, tax assessment, unincorporated area planning
City / Municipal
The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.
Overlay Districts
No overlay districts identified.
Private Restrictions
- HOA / CC&Rs common: Yes
- Check HOA CC&Rs for additional restrictions.
Primary Zoning Districts
| District Code | Name | Min Lot | Max Height | Front Setback | Side Setback | Rear Setback | FAR |
|---|---|---|---|---|---|---|---|
| R-5 | Residential | 5,000 sq ft | 25 ft | 15 ft | 5 ft | 10 ft | — |
| A-2 | Medium-Density Apartment | 5,000 sq ft | 60 ft | 15 ft | 10 ft | 10 ft | — |
| B-2 | Community Business | None | 60 ft | 0 ft | 0 ft | 10 ft | — |
ADU Rules in Waipahu
ADUs:Allowed
- Max Size
- 800 sq ft
- Max Height
- 25 ft
- Rear Setback
- 5 ft
- Side Setback
- 5 ft
- Parking
- 1 off-street space required
- Owner Occupancy
- Owner must occupy either the primary or accessory dwelling
- Permit Timeline
- 60-90 days
Official Sources
Frequently Asked Questions
Frequently Asked Questions
Can I build an ADU in Waipahu?
Yes. Waipahu is part of the City & County of Honolulu, which permits ohana dwelling units on residentially zoned lots subject to standard requirements.
How do I find the zoning for my property in Waipahu?
Use the HiCentral GIS portal at gis.hicentral.com or contact the Honolulu Department of Planning and Permitting.
What zones allow multi-family housing in Waipahu?
Multi-family housing is allowed in the A-1 and A-2 apartment districts found near Waipahu Town Center and along Farrington Highway.
Disclaimer: The information on this website is provided for general informational purposes only and does not constitute legal, financial, or professional advice. Zoning codes and building regulations change frequently. Always verify current requirements with your local planning department and building authority before making any decisions.